1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <drm/drm_fourcc.h>
25 #include <drm/drm_vblank.h>
26 
27 #include "amdgpu.h"
28 #include "amdgpu_pm.h"
29 #include "amdgpu_i2c.h"
30 #include "vid.h"
31 #include "atom.h"
32 #include "amdgpu_atombios.h"
33 #include "atombios_crtc.h"
34 #include "atombios_encoders.h"
35 #include "amdgpu_pll.h"
36 #include "amdgpu_connectors.h"
37 #include "amdgpu_display.h"
38 #include "dce_v11_0.h"
39 
40 #include "dce/dce_11_0_d.h"
41 #include "dce/dce_11_0_sh_mask.h"
42 #include "dce/dce_11_0_enum.h"
43 #include "oss/oss_3_0_d.h"
44 #include "oss/oss_3_0_sh_mask.h"
45 #include "gmc/gmc_8_1_d.h"
46 #include "gmc/gmc_8_1_sh_mask.h"
47 
48 #include "ivsrcid/ivsrcid_vislands30.h"
49 
50 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
51 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
52 
53 static const u32 crtc_offsets[] =
54 {
55 	CRTC0_REGISTER_OFFSET,
56 	CRTC1_REGISTER_OFFSET,
57 	CRTC2_REGISTER_OFFSET,
58 	CRTC3_REGISTER_OFFSET,
59 	CRTC4_REGISTER_OFFSET,
60 	CRTC5_REGISTER_OFFSET,
61 	CRTC6_REGISTER_OFFSET
62 };
63 
64 static const u32 hpd_offsets[] =
65 {
66 	HPD0_REGISTER_OFFSET,
67 	HPD1_REGISTER_OFFSET,
68 	HPD2_REGISTER_OFFSET,
69 	HPD3_REGISTER_OFFSET,
70 	HPD4_REGISTER_OFFSET,
71 	HPD5_REGISTER_OFFSET
72 };
73 
74 static const uint32_t dig_offsets[] = {
75 	DIG0_REGISTER_OFFSET,
76 	DIG1_REGISTER_OFFSET,
77 	DIG2_REGISTER_OFFSET,
78 	DIG3_REGISTER_OFFSET,
79 	DIG4_REGISTER_OFFSET,
80 	DIG5_REGISTER_OFFSET,
81 	DIG6_REGISTER_OFFSET,
82 	DIG7_REGISTER_OFFSET,
83 	DIG8_REGISTER_OFFSET
84 };
85 
86 static const struct {
87 	uint32_t        reg;
88 	uint32_t        vblank;
89 	uint32_t        vline;
90 	uint32_t        hpd;
91 
92 } interrupt_status_offsets[] = { {
93 	.reg = mmDISP_INTERRUPT_STATUS,
94 	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
95 	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
96 	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
97 }, {
98 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
99 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
100 	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
101 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
102 }, {
103 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
104 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
105 	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
106 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
107 }, {
108 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
109 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
110 	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
111 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
112 }, {
113 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
114 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
115 	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
116 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
117 }, {
118 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
119 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
120 	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
121 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
122 } };
123 
124 static const u32 cz_golden_settings_a11[] =
125 {
126 	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
127 	mmFBC_MISC, 0x1f311fff, 0x14300000,
128 };
129 
130 static const u32 cz_mgcg_cgcg_init[] =
131 {
132 	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
133 	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
134 };
135 
136 static const u32 stoney_golden_settings_a11[] =
137 {
138 	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
139 	mmFBC_MISC, 0x1f311fff, 0x14302000,
140 };
141 
142 static const u32 polaris11_golden_settings_a11[] =
143 {
144 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
145 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
146 	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
147 	mmFBC_MISC, 0x9f313fff, 0x14302008,
148 	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
149 };
150 
151 static const u32 polaris10_golden_settings_a11[] =
152 {
153 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
154 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
155 	mmFBC_MISC, 0x9f313fff, 0x14302008,
156 	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
157 };
158 
159 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
160 {
161 	switch (adev->asic_type) {
162 	case CHIP_CARRIZO:
163 		amdgpu_device_program_register_sequence(adev,
164 							cz_mgcg_cgcg_init,
165 							ARRAY_SIZE(cz_mgcg_cgcg_init));
166 		amdgpu_device_program_register_sequence(adev,
167 							cz_golden_settings_a11,
168 							ARRAY_SIZE(cz_golden_settings_a11));
169 		break;
170 	case CHIP_STONEY:
171 		amdgpu_device_program_register_sequence(adev,
172 							stoney_golden_settings_a11,
173 							ARRAY_SIZE(stoney_golden_settings_a11));
174 		break;
175 	case CHIP_POLARIS11:
176 	case CHIP_POLARIS12:
177 		amdgpu_device_program_register_sequence(adev,
178 							polaris11_golden_settings_a11,
179 							ARRAY_SIZE(polaris11_golden_settings_a11));
180 		break;
181 	case CHIP_POLARIS10:
182 	case CHIP_VEGAM:
183 		amdgpu_device_program_register_sequence(adev,
184 							polaris10_golden_settings_a11,
185 							ARRAY_SIZE(polaris10_golden_settings_a11));
186 		break;
187 	default:
188 		break;
189 	}
190 }
191 
192 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
193 				     u32 block_offset, u32 reg)
194 {
195 	unsigned long flags;
196 	u32 r;
197 
198 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
199 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
200 	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
201 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
202 
203 	return r;
204 }
205 
206 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
207 				      u32 block_offset, u32 reg, u32 v)
208 {
209 	unsigned long flags;
210 
211 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
212 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
213 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
214 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
215 }
216 
217 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
218 {
219 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
220 		return 0;
221 	else
222 		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
223 }
224 
225 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
226 {
227 	unsigned i;
228 
229 	/* Enable pflip interrupts */
230 	for (i = 0; i < adev->mode_info.num_crtc; i++)
231 		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
232 }
233 
234 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
235 {
236 	unsigned i;
237 
238 	/* Disable pflip interrupts */
239 	for (i = 0; i < adev->mode_info.num_crtc; i++)
240 		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
241 }
242 
243 /**
244  * dce_v11_0_page_flip - pageflip callback.
245  *
246  * @adev: amdgpu_device pointer
247  * @crtc_id: crtc to cleanup pageflip on
248  * @crtc_base: new address of the crtc (GPU MC address)
249  *
250  * Triggers the actual pageflip by updating the primary
251  * surface base address.
252  */
253 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
254 				int crtc_id, u64 crtc_base, bool async)
255 {
256 	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
257 	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
258 	u32 tmp;
259 
260 	/* flip immediate for async, default is vsync */
261 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
262 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
263 			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
264 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
265 	/* update pitch */
266 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
267 	       fb->pitches[0] / fb->format->cpp[0]);
268 	/* update the scanout addresses */
269 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
270 	       upper_32_bits(crtc_base));
271 	/* writing to the low address triggers the update */
272 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
273 	       lower_32_bits(crtc_base));
274 	/* post the write */
275 	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
276 }
277 
278 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
279 					u32 *vbl, u32 *position)
280 {
281 	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
282 		return -EINVAL;
283 
284 	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
285 	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
286 
287 	return 0;
288 }
289 
290 /**
291  * dce_v11_0_hpd_sense - hpd sense callback.
292  *
293  * @adev: amdgpu_device pointer
294  * @hpd: hpd (hotplug detect) pin
295  *
296  * Checks if a digital monitor is connected (evergreen+).
297  * Returns true if connected, false if not connected.
298  */
299 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
300 			       enum amdgpu_hpd_id hpd)
301 {
302 	bool connected = false;
303 
304 	if (hpd >= adev->mode_info.num_hpd)
305 		return connected;
306 
307 	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
308 	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
309 		connected = true;
310 
311 	return connected;
312 }
313 
314 /**
315  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
316  *
317  * @adev: amdgpu_device pointer
318  * @hpd: hpd (hotplug detect) pin
319  *
320  * Set the polarity of the hpd pin (evergreen+).
321  */
322 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
323 				      enum amdgpu_hpd_id hpd)
324 {
325 	u32 tmp;
326 	bool connected = dce_v11_0_hpd_sense(adev, hpd);
327 
328 	if (hpd >= adev->mode_info.num_hpd)
329 		return;
330 
331 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
332 	if (connected)
333 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
334 	else
335 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
336 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
337 }
338 
339 /**
340  * dce_v11_0_hpd_init - hpd setup callback.
341  *
342  * @adev: amdgpu_device pointer
343  *
344  * Setup the hpd pins used by the card (evergreen+).
345  * Enable the pin, set the polarity, and enable the hpd interrupts.
346  */
347 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
348 {
349 	struct drm_device *dev = adev->ddev;
350 	struct drm_connector *connector;
351 	struct drm_connector_list_iter iter;
352 	u32 tmp;
353 
354 	drm_connector_list_iter_begin(dev, &iter);
355 	drm_for_each_connector_iter(connector, &iter) {
356 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
357 
358 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
359 			continue;
360 
361 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
362 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
363 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
364 			 * aux dp channel on imac and help (but not completely fix)
365 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
366 			 * also avoid interrupt storms during dpms.
367 			 */
368 			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
369 			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
370 			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
371 			continue;
372 		}
373 
374 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
375 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
376 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
377 
378 		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
379 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
380 				    DC_HPD_CONNECT_INT_DELAY,
381 				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
382 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
383 				    DC_HPD_DISCONNECT_INT_DELAY,
384 				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
385 		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
386 
387 		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
388 		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
389 	}
390 	drm_connector_list_iter_end(&iter);
391 }
392 
393 /**
394  * dce_v11_0_hpd_fini - hpd tear down callback.
395  *
396  * @adev: amdgpu_device pointer
397  *
398  * Tear down the hpd pins used by the card (evergreen+).
399  * Disable the hpd interrupts.
400  */
401 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
402 {
403 	struct drm_device *dev = adev->ddev;
404 	struct drm_connector *connector;
405 	struct drm_connector_list_iter iter;
406 	u32 tmp;
407 
408 	drm_connector_list_iter_begin(dev, &iter);
409 	drm_for_each_connector_iter(connector, &iter) {
410 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
411 
412 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
413 			continue;
414 
415 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
416 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
417 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
418 
419 		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
420 	}
421 	drm_connector_list_iter_end(&iter);
422 }
423 
424 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
425 {
426 	return mmDC_GPIO_HPD_A;
427 }
428 
429 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
430 {
431 	u32 crtc_hung = 0;
432 	u32 crtc_status[6];
433 	u32 i, j, tmp;
434 
435 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
436 		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
437 		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
438 			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
439 			crtc_hung |= (1 << i);
440 		}
441 	}
442 
443 	for (j = 0; j < 10; j++) {
444 		for (i = 0; i < adev->mode_info.num_crtc; i++) {
445 			if (crtc_hung & (1 << i)) {
446 				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
447 				if (tmp != crtc_status[i])
448 					crtc_hung &= ~(1 << i);
449 			}
450 		}
451 		if (crtc_hung == 0)
452 			return false;
453 		udelay(100);
454 	}
455 
456 	return true;
457 }
458 
459 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
460 					   bool render)
461 {
462 	u32 tmp;
463 
464 	/* Lockout access through VGA aperture*/
465 	tmp = RREG32(mmVGA_HDP_CONTROL);
466 	if (render)
467 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
468 	else
469 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
470 	WREG32(mmVGA_HDP_CONTROL, tmp);
471 
472 	/* disable VGA render */
473 	tmp = RREG32(mmVGA_RENDER_CONTROL);
474 	if (render)
475 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
476 	else
477 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
478 	WREG32(mmVGA_RENDER_CONTROL, tmp);
479 }
480 
481 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
482 {
483 	int num_crtc = 0;
484 
485 	switch (adev->asic_type) {
486 	case CHIP_CARRIZO:
487 		num_crtc = 3;
488 		break;
489 	case CHIP_STONEY:
490 		num_crtc = 2;
491 		break;
492 	case CHIP_POLARIS10:
493 	case CHIP_VEGAM:
494 		num_crtc = 6;
495 		break;
496 	case CHIP_POLARIS11:
497 	case CHIP_POLARIS12:
498 		num_crtc = 5;
499 		break;
500 	default:
501 		num_crtc = 0;
502 	}
503 	return num_crtc;
504 }
505 
506 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
507 {
508 	/*Disable VGA render and enabled crtc, if has DCE engine*/
509 	if (amdgpu_atombios_has_dce_engine_info(adev)) {
510 		u32 tmp;
511 		int crtc_enabled, i;
512 
513 		dce_v11_0_set_vga_render_state(adev, false);
514 
515 		/*Disable crtc*/
516 		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
517 			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
518 									 CRTC_CONTROL, CRTC_MASTER_EN);
519 			if (crtc_enabled) {
520 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
521 				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
522 				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
523 				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
524 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
525 			}
526 		}
527 	}
528 }
529 
530 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
531 {
532 	struct drm_device *dev = encoder->dev;
533 	struct amdgpu_device *adev = dev->dev_private;
534 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
535 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
536 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
537 	int bpc = 0;
538 	u32 tmp = 0;
539 	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
540 
541 	if (connector) {
542 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
543 		bpc = amdgpu_connector_get_monitor_bpc(connector);
544 		dither = amdgpu_connector->dither;
545 	}
546 
547 	/* LVDS/eDP FMT is set up by atom */
548 	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
549 		return;
550 
551 	/* not needed for analog */
552 	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
553 	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
554 		return;
555 
556 	if (bpc == 0)
557 		return;
558 
559 	switch (bpc) {
560 	case 6:
561 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
562 			/* XXX sort out optimal dither settings */
563 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
564 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
565 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
566 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
567 		} else {
568 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
569 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
570 		}
571 		break;
572 	case 8:
573 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
574 			/* XXX sort out optimal dither settings */
575 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
576 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
577 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
578 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
579 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
580 		} else {
581 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
582 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
583 		}
584 		break;
585 	case 10:
586 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
587 			/* XXX sort out optimal dither settings */
588 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
589 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
590 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
591 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
592 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
593 		} else {
594 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
595 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
596 		}
597 		break;
598 	default:
599 		/* not needed */
600 		break;
601 	}
602 
603 	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
604 }
605 
606 
607 /* display watermark setup */
608 /**
609  * dce_v11_0_line_buffer_adjust - Set up the line buffer
610  *
611  * @adev: amdgpu_device pointer
612  * @amdgpu_crtc: the selected display controller
613  * @mode: the current display mode on the selected display
614  * controller
615  *
616  * Setup up the line buffer allocation for
617  * the selected display controller (CIK).
618  * Returns the line buffer size in pixels.
619  */
620 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
621 				       struct amdgpu_crtc *amdgpu_crtc,
622 				       struct drm_display_mode *mode)
623 {
624 	u32 tmp, buffer_alloc, i, mem_cfg;
625 	u32 pipe_offset = amdgpu_crtc->crtc_id;
626 	/*
627 	 * Line Buffer Setup
628 	 * There are 6 line buffers, one for each display controllers.
629 	 * There are 3 partitions per LB. Select the number of partitions
630 	 * to enable based on the display width.  For display widths larger
631 	 * than 4096, you need use to use 2 display controllers and combine
632 	 * them using the stereo blender.
633 	 */
634 	if (amdgpu_crtc->base.enabled && mode) {
635 		if (mode->crtc_hdisplay < 1920) {
636 			mem_cfg = 1;
637 			buffer_alloc = 2;
638 		} else if (mode->crtc_hdisplay < 2560) {
639 			mem_cfg = 2;
640 			buffer_alloc = 2;
641 		} else if (mode->crtc_hdisplay < 4096) {
642 			mem_cfg = 0;
643 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
644 		} else {
645 			DRM_DEBUG_KMS("Mode too big for LB!\n");
646 			mem_cfg = 0;
647 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
648 		}
649 	} else {
650 		mem_cfg = 1;
651 		buffer_alloc = 0;
652 	}
653 
654 	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
655 	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
656 	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
657 
658 	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
659 	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
660 	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
661 
662 	for (i = 0; i < adev->usec_timeout; i++) {
663 		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
664 		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
665 			break;
666 		udelay(1);
667 	}
668 
669 	if (amdgpu_crtc->base.enabled && mode) {
670 		switch (mem_cfg) {
671 		case 0:
672 		default:
673 			return 4096 * 2;
674 		case 1:
675 			return 1920 * 2;
676 		case 2:
677 			return 2560 * 2;
678 		}
679 	}
680 
681 	/* controller not enabled, so no lb used */
682 	return 0;
683 }
684 
685 /**
686  * cik_get_number_of_dram_channels - get the number of dram channels
687  *
688  * @adev: amdgpu_device pointer
689  *
690  * Look up the number of video ram channels (CIK).
691  * Used for display watermark bandwidth calculations
692  * Returns the number of dram channels
693  */
694 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
695 {
696 	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
697 
698 	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
699 	case 0:
700 	default:
701 		return 1;
702 	case 1:
703 		return 2;
704 	case 2:
705 		return 4;
706 	case 3:
707 		return 8;
708 	case 4:
709 		return 3;
710 	case 5:
711 		return 6;
712 	case 6:
713 		return 10;
714 	case 7:
715 		return 12;
716 	case 8:
717 		return 16;
718 	}
719 }
720 
721 struct dce10_wm_params {
722 	u32 dram_channels; /* number of dram channels */
723 	u32 yclk;          /* bandwidth per dram data pin in kHz */
724 	u32 sclk;          /* engine clock in kHz */
725 	u32 disp_clk;      /* display clock in kHz */
726 	u32 src_width;     /* viewport width */
727 	u32 active_time;   /* active display time in ns */
728 	u32 blank_time;    /* blank time in ns */
729 	bool interlaced;    /* mode is interlaced */
730 	fixed20_12 vsc;    /* vertical scale ratio */
731 	u32 num_heads;     /* number of active crtcs */
732 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
733 	u32 lb_size;       /* line buffer allocated to pipe */
734 	u32 vtaps;         /* vertical scaler taps */
735 };
736 
737 /**
738  * dce_v11_0_dram_bandwidth - get the dram bandwidth
739  *
740  * @wm: watermark calculation data
741  *
742  * Calculate the raw dram bandwidth (CIK).
743  * Used for display watermark bandwidth calculations
744  * Returns the dram bandwidth in MBytes/s
745  */
746 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
747 {
748 	/* Calculate raw DRAM Bandwidth */
749 	fixed20_12 dram_efficiency; /* 0.7 */
750 	fixed20_12 yclk, dram_channels, bandwidth;
751 	fixed20_12 a;
752 
753 	a.full = dfixed_const(1000);
754 	yclk.full = dfixed_const(wm->yclk);
755 	yclk.full = dfixed_div(yclk, a);
756 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
757 	a.full = dfixed_const(10);
758 	dram_efficiency.full = dfixed_const(7);
759 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
760 	bandwidth.full = dfixed_mul(dram_channels, yclk);
761 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
762 
763 	return dfixed_trunc(bandwidth);
764 }
765 
766 /**
767  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
768  *
769  * @wm: watermark calculation data
770  *
771  * Calculate the dram bandwidth used for display (CIK).
772  * Used for display watermark bandwidth calculations
773  * Returns the dram bandwidth for display in MBytes/s
774  */
775 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
776 {
777 	/* Calculate DRAM Bandwidth and the part allocated to display. */
778 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
779 	fixed20_12 yclk, dram_channels, bandwidth;
780 	fixed20_12 a;
781 
782 	a.full = dfixed_const(1000);
783 	yclk.full = dfixed_const(wm->yclk);
784 	yclk.full = dfixed_div(yclk, a);
785 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
786 	a.full = dfixed_const(10);
787 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
788 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
789 	bandwidth.full = dfixed_mul(dram_channels, yclk);
790 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
791 
792 	return dfixed_trunc(bandwidth);
793 }
794 
795 /**
796  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
797  *
798  * @wm: watermark calculation data
799  *
800  * Calculate the data return bandwidth used for display (CIK).
801  * Used for display watermark bandwidth calculations
802  * Returns the data return bandwidth in MBytes/s
803  */
804 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
805 {
806 	/* Calculate the display Data return Bandwidth */
807 	fixed20_12 return_efficiency; /* 0.8 */
808 	fixed20_12 sclk, bandwidth;
809 	fixed20_12 a;
810 
811 	a.full = dfixed_const(1000);
812 	sclk.full = dfixed_const(wm->sclk);
813 	sclk.full = dfixed_div(sclk, a);
814 	a.full = dfixed_const(10);
815 	return_efficiency.full = dfixed_const(8);
816 	return_efficiency.full = dfixed_div(return_efficiency, a);
817 	a.full = dfixed_const(32);
818 	bandwidth.full = dfixed_mul(a, sclk);
819 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
820 
821 	return dfixed_trunc(bandwidth);
822 }
823 
824 /**
825  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
826  *
827  * @wm: watermark calculation data
828  *
829  * Calculate the dmif bandwidth used for display (CIK).
830  * Used for display watermark bandwidth calculations
831  * Returns the dmif bandwidth in MBytes/s
832  */
833 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
834 {
835 	/* Calculate the DMIF Request Bandwidth */
836 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
837 	fixed20_12 disp_clk, bandwidth;
838 	fixed20_12 a, b;
839 
840 	a.full = dfixed_const(1000);
841 	disp_clk.full = dfixed_const(wm->disp_clk);
842 	disp_clk.full = dfixed_div(disp_clk, a);
843 	a.full = dfixed_const(32);
844 	b.full = dfixed_mul(a, disp_clk);
845 
846 	a.full = dfixed_const(10);
847 	disp_clk_request_efficiency.full = dfixed_const(8);
848 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
849 
850 	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
851 
852 	return dfixed_trunc(bandwidth);
853 }
854 
855 /**
856  * dce_v11_0_available_bandwidth - get the min available bandwidth
857  *
858  * @wm: watermark calculation data
859  *
860  * Calculate the min available bandwidth used for display (CIK).
861  * Used for display watermark bandwidth calculations
862  * Returns the min available bandwidth in MBytes/s
863  */
864 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
865 {
866 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
867 	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
868 	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
869 	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
870 
871 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
872 }
873 
874 /**
875  * dce_v11_0_average_bandwidth - get the average available bandwidth
876  *
877  * @wm: watermark calculation data
878  *
879  * Calculate the average available bandwidth used for display (CIK).
880  * Used for display watermark bandwidth calculations
881  * Returns the average available bandwidth in MBytes/s
882  */
883 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
884 {
885 	/* Calculate the display mode Average Bandwidth
886 	 * DisplayMode should contain the source and destination dimensions,
887 	 * timing, etc.
888 	 */
889 	fixed20_12 bpp;
890 	fixed20_12 line_time;
891 	fixed20_12 src_width;
892 	fixed20_12 bandwidth;
893 	fixed20_12 a;
894 
895 	a.full = dfixed_const(1000);
896 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
897 	line_time.full = dfixed_div(line_time, a);
898 	bpp.full = dfixed_const(wm->bytes_per_pixel);
899 	src_width.full = dfixed_const(wm->src_width);
900 	bandwidth.full = dfixed_mul(src_width, bpp);
901 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
902 	bandwidth.full = dfixed_div(bandwidth, line_time);
903 
904 	return dfixed_trunc(bandwidth);
905 }
906 
907 /**
908  * dce_v11_0_latency_watermark - get the latency watermark
909  *
910  * @wm: watermark calculation data
911  *
912  * Calculate the latency watermark (CIK).
913  * Used for display watermark bandwidth calculations
914  * Returns the latency watermark in ns
915  */
916 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
917 {
918 	/* First calculate the latency in ns */
919 	u32 mc_latency = 2000; /* 2000 ns. */
920 	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
921 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
922 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
923 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
924 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
925 		(wm->num_heads * cursor_line_pair_return_time);
926 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
927 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
928 	u32 tmp, dmif_size = 12288;
929 	fixed20_12 a, b, c;
930 
931 	if (wm->num_heads == 0)
932 		return 0;
933 
934 	a.full = dfixed_const(2);
935 	b.full = dfixed_const(1);
936 	if ((wm->vsc.full > a.full) ||
937 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
938 	    (wm->vtaps >= 5) ||
939 	    ((wm->vsc.full >= a.full) && wm->interlaced))
940 		max_src_lines_per_dst_line = 4;
941 	else
942 		max_src_lines_per_dst_line = 2;
943 
944 	a.full = dfixed_const(available_bandwidth);
945 	b.full = dfixed_const(wm->num_heads);
946 	a.full = dfixed_div(a, b);
947 	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
948 	tmp = min(dfixed_trunc(a), tmp);
949 
950 	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
951 
952 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
953 	b.full = dfixed_const(1000);
954 	c.full = dfixed_const(lb_fill_bw);
955 	b.full = dfixed_div(c, b);
956 	a.full = dfixed_div(a, b);
957 	line_fill_time = dfixed_trunc(a);
958 
959 	if (line_fill_time < wm->active_time)
960 		return latency;
961 	else
962 		return latency + (line_fill_time - wm->active_time);
963 
964 }
965 
966 /**
967  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
968  * average and available dram bandwidth
969  *
970  * @wm: watermark calculation data
971  *
972  * Check if the display average bandwidth fits in the display
973  * dram bandwidth (CIK).
974  * Used for display watermark bandwidth calculations
975  * Returns true if the display fits, false if not.
976  */
977 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
978 {
979 	if (dce_v11_0_average_bandwidth(wm) <=
980 	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
981 		return true;
982 	else
983 		return false;
984 }
985 
986 /**
987  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
988  * average and available bandwidth
989  *
990  * @wm: watermark calculation data
991  *
992  * Check if the display average bandwidth fits in the display
993  * available bandwidth (CIK).
994  * Used for display watermark bandwidth calculations
995  * Returns true if the display fits, false if not.
996  */
997 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
998 {
999 	if (dce_v11_0_average_bandwidth(wm) <=
1000 	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1001 		return true;
1002 	else
1003 		return false;
1004 }
1005 
1006 /**
1007  * dce_v11_0_check_latency_hiding - check latency hiding
1008  *
1009  * @wm: watermark calculation data
1010  *
1011  * Check latency hiding (CIK).
1012  * Used for display watermark bandwidth calculations
1013  * Returns true if the display fits, false if not.
1014  */
1015 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1016 {
1017 	u32 lb_partitions = wm->lb_size / wm->src_width;
1018 	u32 line_time = wm->active_time + wm->blank_time;
1019 	u32 latency_tolerant_lines;
1020 	u32 latency_hiding;
1021 	fixed20_12 a;
1022 
1023 	a.full = dfixed_const(1);
1024 	if (wm->vsc.full > a.full)
1025 		latency_tolerant_lines = 1;
1026 	else {
1027 		if (lb_partitions <= (wm->vtaps + 1))
1028 			latency_tolerant_lines = 1;
1029 		else
1030 			latency_tolerant_lines = 2;
1031 	}
1032 
1033 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1034 
1035 	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1036 		return true;
1037 	else
1038 		return false;
1039 }
1040 
1041 /**
1042  * dce_v11_0_program_watermarks - program display watermarks
1043  *
1044  * @adev: amdgpu_device pointer
1045  * @amdgpu_crtc: the selected display controller
1046  * @lb_size: line buffer size
1047  * @num_heads: number of display controllers in use
1048  *
1049  * Calculate and program the display watermarks for the
1050  * selected display controller (CIK).
1051  */
1052 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1053 					struct amdgpu_crtc *amdgpu_crtc,
1054 					u32 lb_size, u32 num_heads)
1055 {
1056 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1057 	struct dce10_wm_params wm_low, wm_high;
1058 	u32 active_time;
1059 	u32 line_time = 0;
1060 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1061 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1062 
1063 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1064 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1065 					    (u32)mode->clock);
1066 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1067 					  (u32)mode->clock);
1068 		line_time = min(line_time, (u32)65535);
1069 
1070 		/* watermark for high clocks */
1071 		if (adev->pm.dpm_enabled) {
1072 			wm_high.yclk =
1073 				amdgpu_dpm_get_mclk(adev, false) * 10;
1074 			wm_high.sclk =
1075 				amdgpu_dpm_get_sclk(adev, false) * 10;
1076 		} else {
1077 			wm_high.yclk = adev->pm.current_mclk * 10;
1078 			wm_high.sclk = adev->pm.current_sclk * 10;
1079 		}
1080 
1081 		wm_high.disp_clk = mode->clock;
1082 		wm_high.src_width = mode->crtc_hdisplay;
1083 		wm_high.active_time = active_time;
1084 		wm_high.blank_time = line_time - wm_high.active_time;
1085 		wm_high.interlaced = false;
1086 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1087 			wm_high.interlaced = true;
1088 		wm_high.vsc = amdgpu_crtc->vsc;
1089 		wm_high.vtaps = 1;
1090 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1091 			wm_high.vtaps = 2;
1092 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1093 		wm_high.lb_size = lb_size;
1094 		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1095 		wm_high.num_heads = num_heads;
1096 
1097 		/* set for high clocks */
1098 		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1099 
1100 		/* possibly force display priority to high */
1101 		/* should really do this at mode validation time... */
1102 		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1103 		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1104 		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1105 		    (adev->mode_info.disp_priority == 2)) {
1106 			DRM_DEBUG_KMS("force priority to high\n");
1107 		}
1108 
1109 		/* watermark for low clocks */
1110 		if (adev->pm.dpm_enabled) {
1111 			wm_low.yclk =
1112 				amdgpu_dpm_get_mclk(adev, true) * 10;
1113 			wm_low.sclk =
1114 				amdgpu_dpm_get_sclk(adev, true) * 10;
1115 		} else {
1116 			wm_low.yclk = adev->pm.current_mclk * 10;
1117 			wm_low.sclk = adev->pm.current_sclk * 10;
1118 		}
1119 
1120 		wm_low.disp_clk = mode->clock;
1121 		wm_low.src_width = mode->crtc_hdisplay;
1122 		wm_low.active_time = active_time;
1123 		wm_low.blank_time = line_time - wm_low.active_time;
1124 		wm_low.interlaced = false;
1125 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1126 			wm_low.interlaced = true;
1127 		wm_low.vsc = amdgpu_crtc->vsc;
1128 		wm_low.vtaps = 1;
1129 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1130 			wm_low.vtaps = 2;
1131 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1132 		wm_low.lb_size = lb_size;
1133 		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1134 		wm_low.num_heads = num_heads;
1135 
1136 		/* set for low clocks */
1137 		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1138 
1139 		/* possibly force display priority to high */
1140 		/* should really do this at mode validation time... */
1141 		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1142 		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1143 		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1144 		    (adev->mode_info.disp_priority == 2)) {
1145 			DRM_DEBUG_KMS("force priority to high\n");
1146 		}
1147 		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1148 	}
1149 
1150 	/* select wm A */
1151 	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1152 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1153 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1154 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1155 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1156 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1157 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1158 	/* select wm B */
1159 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1160 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1161 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1162 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1163 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1164 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1165 	/* restore original selection */
1166 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1167 
1168 	/* save values for DPM */
1169 	amdgpu_crtc->line_time = line_time;
1170 	amdgpu_crtc->wm_high = latency_watermark_a;
1171 	amdgpu_crtc->wm_low = latency_watermark_b;
1172 	/* Save number of lines the linebuffer leads before the scanout */
1173 	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1174 }
1175 
1176 /**
1177  * dce_v11_0_bandwidth_update - program display watermarks
1178  *
1179  * @adev: amdgpu_device pointer
1180  *
1181  * Calculate and program the display watermarks and line
1182  * buffer allocation (CIK).
1183  */
1184 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1185 {
1186 	struct drm_display_mode *mode = NULL;
1187 	u32 num_heads = 0, lb_size;
1188 	int i;
1189 
1190 	amdgpu_display_update_priority(adev);
1191 
1192 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1193 		if (adev->mode_info.crtcs[i]->base.enabled)
1194 			num_heads++;
1195 	}
1196 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1197 		mode = &adev->mode_info.crtcs[i]->base.mode;
1198 		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1199 		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1200 					    lb_size, num_heads);
1201 	}
1202 }
1203 
1204 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1205 {
1206 	int i;
1207 	u32 offset, tmp;
1208 
1209 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1210 		offset = adev->mode_info.audio.pin[i].offset;
1211 		tmp = RREG32_AUDIO_ENDPT(offset,
1212 					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1213 		if (((tmp &
1214 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1215 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1216 			adev->mode_info.audio.pin[i].connected = false;
1217 		else
1218 			adev->mode_info.audio.pin[i].connected = true;
1219 	}
1220 }
1221 
1222 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1223 {
1224 	int i;
1225 
1226 	dce_v11_0_audio_get_connected_pins(adev);
1227 
1228 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1229 		if (adev->mode_info.audio.pin[i].connected)
1230 			return &adev->mode_info.audio.pin[i];
1231 	}
1232 	DRM_ERROR("No connected audio pins found!\n");
1233 	return NULL;
1234 }
1235 
1236 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1237 {
1238 	struct amdgpu_device *adev = encoder->dev->dev_private;
1239 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241 	u32 tmp;
1242 
1243 	if (!dig || !dig->afmt || !dig->afmt->pin)
1244 		return;
1245 
1246 	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1247 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1248 	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1249 }
1250 
1251 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1252 						struct drm_display_mode *mode)
1253 {
1254 	struct drm_device *dev = encoder->dev;
1255 	struct amdgpu_device *adev = dev->dev_private;
1256 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1257 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1258 	struct drm_connector *connector;
1259 	struct drm_connector_list_iter iter;
1260 	struct amdgpu_connector *amdgpu_connector = NULL;
1261 	u32 tmp;
1262 	int interlace = 0;
1263 
1264 	if (!dig || !dig->afmt || !dig->afmt->pin)
1265 		return;
1266 
1267 	drm_connector_list_iter_begin(dev, &iter);
1268 	drm_for_each_connector_iter(connector, &iter) {
1269 		if (connector->encoder == encoder) {
1270 			amdgpu_connector = to_amdgpu_connector(connector);
1271 			break;
1272 		}
1273 	}
1274 	drm_connector_list_iter_end(&iter);
1275 
1276 	if (!amdgpu_connector) {
1277 		DRM_ERROR("Couldn't find encoder's connector\n");
1278 		return;
1279 	}
1280 
1281 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1282 		interlace = 1;
1283 	if (connector->latency_present[interlace]) {
1284 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1285 				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1286 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1287 				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1288 	} else {
1289 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1290 				    VIDEO_LIPSYNC, 0);
1291 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1292 				    AUDIO_LIPSYNC, 0);
1293 	}
1294 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1295 			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1296 }
1297 
1298 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1299 {
1300 	struct drm_device *dev = encoder->dev;
1301 	struct amdgpu_device *adev = dev->dev_private;
1302 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1303 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1304 	struct drm_connector *connector;
1305 	struct drm_connector_list_iter iter;
1306 	struct amdgpu_connector *amdgpu_connector = NULL;
1307 	u32 tmp;
1308 	u8 *sadb = NULL;
1309 	int sad_count;
1310 
1311 	if (!dig || !dig->afmt || !dig->afmt->pin)
1312 		return;
1313 
1314 	drm_connector_list_iter_begin(dev, &iter);
1315 	drm_for_each_connector_iter(connector, &iter) {
1316 		if (connector->encoder == encoder) {
1317 			amdgpu_connector = to_amdgpu_connector(connector);
1318 			break;
1319 		}
1320 	}
1321 	drm_connector_list_iter_end(&iter);
1322 
1323 	if (!amdgpu_connector) {
1324 		DRM_ERROR("Couldn't find encoder's connector\n");
1325 		return;
1326 	}
1327 
1328 	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1329 	if (sad_count < 0) {
1330 		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1331 		sad_count = 0;
1332 	}
1333 
1334 	/* program the speaker allocation */
1335 	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1336 				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1337 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1338 			    DP_CONNECTION, 0);
1339 	/* set HDMI mode */
1340 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1341 			    HDMI_CONNECTION, 1);
1342 	if (sad_count)
1343 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344 				    SPEAKER_ALLOCATION, sadb[0]);
1345 	else
1346 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347 				    SPEAKER_ALLOCATION, 5); /* stereo */
1348 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1349 			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1350 
1351 	kfree(sadb);
1352 }
1353 
1354 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1355 {
1356 	struct drm_device *dev = encoder->dev;
1357 	struct amdgpu_device *adev = dev->dev_private;
1358 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1359 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1360 	struct drm_connector *connector;
1361 	struct drm_connector_list_iter iter;
1362 	struct amdgpu_connector *amdgpu_connector = NULL;
1363 	struct cea_sad *sads;
1364 	int i, sad_count;
1365 
1366 	static const u16 eld_reg_to_type[][2] = {
1367 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1368 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1369 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1370 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1371 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1372 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1373 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1374 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1375 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1376 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1377 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1378 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1379 	};
1380 
1381 	if (!dig || !dig->afmt || !dig->afmt->pin)
1382 		return;
1383 
1384 	drm_connector_list_iter_begin(dev, &iter);
1385 	drm_for_each_connector_iter(connector, &iter) {
1386 		if (connector->encoder == encoder) {
1387 			amdgpu_connector = to_amdgpu_connector(connector);
1388 			break;
1389 		}
1390 	}
1391 	drm_connector_list_iter_end(&iter);
1392 
1393 	if (!amdgpu_connector) {
1394 		DRM_ERROR("Couldn't find encoder's connector\n");
1395 		return;
1396 	}
1397 
1398 	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1399 	if (sad_count < 0)
1400 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1401 	if (sad_count <= 0)
1402 		return;
1403 	BUG_ON(!sads);
1404 
1405 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1406 		u32 tmp = 0;
1407 		u8 stereo_freqs = 0;
1408 		int max_channels = -1;
1409 		int j;
1410 
1411 		for (j = 0; j < sad_count; j++) {
1412 			struct cea_sad *sad = &sads[j];
1413 
1414 			if (sad->format == eld_reg_to_type[i][1]) {
1415 				if (sad->channels > max_channels) {
1416 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1417 							    MAX_CHANNELS, sad->channels);
1418 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1419 							    DESCRIPTOR_BYTE_2, sad->byte2);
1420 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1421 							    SUPPORTED_FREQUENCIES, sad->freq);
1422 					max_channels = sad->channels;
1423 				}
1424 
1425 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1426 					stereo_freqs |= sad->freq;
1427 				else
1428 					break;
1429 			}
1430 		}
1431 
1432 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1433 				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1434 		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1435 	}
1436 
1437 	kfree(sads);
1438 }
1439 
1440 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1441 				  struct amdgpu_audio_pin *pin,
1442 				  bool enable)
1443 {
1444 	if (!pin)
1445 		return;
1446 
1447 	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1448 			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1449 }
1450 
1451 static const u32 pin_offsets[] =
1452 {
1453 	AUD0_REGISTER_OFFSET,
1454 	AUD1_REGISTER_OFFSET,
1455 	AUD2_REGISTER_OFFSET,
1456 	AUD3_REGISTER_OFFSET,
1457 	AUD4_REGISTER_OFFSET,
1458 	AUD5_REGISTER_OFFSET,
1459 	AUD6_REGISTER_OFFSET,
1460 	AUD7_REGISTER_OFFSET,
1461 };
1462 
1463 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1464 {
1465 	int i;
1466 
1467 	if (!amdgpu_audio)
1468 		return 0;
1469 
1470 	adev->mode_info.audio.enabled = true;
1471 
1472 	switch (adev->asic_type) {
1473 	case CHIP_CARRIZO:
1474 	case CHIP_STONEY:
1475 		adev->mode_info.audio.num_pins = 7;
1476 		break;
1477 	case CHIP_POLARIS10:
1478 	case CHIP_VEGAM:
1479 		adev->mode_info.audio.num_pins = 8;
1480 		break;
1481 	case CHIP_POLARIS11:
1482 	case CHIP_POLARIS12:
1483 		adev->mode_info.audio.num_pins = 6;
1484 		break;
1485 	default:
1486 		return -EINVAL;
1487 	}
1488 
1489 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1490 		adev->mode_info.audio.pin[i].channels = -1;
1491 		adev->mode_info.audio.pin[i].rate = -1;
1492 		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1493 		adev->mode_info.audio.pin[i].status_bits = 0;
1494 		adev->mode_info.audio.pin[i].category_code = 0;
1495 		adev->mode_info.audio.pin[i].connected = false;
1496 		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1497 		adev->mode_info.audio.pin[i].id = i;
1498 		/* disable audio.  it will be set up later */
1499 		/* XXX remove once we switch to ip funcs */
1500 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1501 	}
1502 
1503 	return 0;
1504 }
1505 
1506 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1507 {
1508 	int i;
1509 
1510 	if (!amdgpu_audio)
1511 		return;
1512 
1513 	if (!adev->mode_info.audio.enabled)
1514 		return;
1515 
1516 	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1517 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1518 
1519 	adev->mode_info.audio.enabled = false;
1520 }
1521 
1522 /*
1523  * update the N and CTS parameters for a given pixel clock rate
1524  */
1525 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1526 {
1527 	struct drm_device *dev = encoder->dev;
1528 	struct amdgpu_device *adev = dev->dev_private;
1529 	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1530 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1531 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1532 	u32 tmp;
1533 
1534 	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1535 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1536 	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1537 	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1538 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1539 	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1540 
1541 	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1542 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1543 	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1544 	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1545 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1546 	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1547 
1548 	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1549 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1550 	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1551 	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1552 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1553 	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1554 
1555 }
1556 
1557 /*
1558  * build a HDMI Video Info Frame
1559  */
1560 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1561 					       void *buffer, size_t size)
1562 {
1563 	struct drm_device *dev = encoder->dev;
1564 	struct amdgpu_device *adev = dev->dev_private;
1565 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1566 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1567 	uint8_t *frame = buffer + 3;
1568 	uint8_t *header = buffer;
1569 
1570 	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1571 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1572 	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1573 		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1574 	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1575 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1576 	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1577 		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1578 }
1579 
1580 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1581 {
1582 	struct drm_device *dev = encoder->dev;
1583 	struct amdgpu_device *adev = dev->dev_private;
1584 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1585 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1586 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1587 	u32 dto_phase = 24 * 1000;
1588 	u32 dto_modulo = clock;
1589 	u32 tmp;
1590 
1591 	if (!dig || !dig->afmt)
1592 		return;
1593 
1594 	/* XXX two dtos; generally use dto0 for hdmi */
1595 	/* Express [24MHz / target pixel clock] as an exact rational
1596 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1597 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1598 	 */
1599 	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1600 	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1601 			    amdgpu_crtc->crtc_id);
1602 	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1603 	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1604 	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1605 }
1606 
1607 /*
1608  * update the info frames with the data from the current display mode
1609  */
1610 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1611 				  struct drm_display_mode *mode)
1612 {
1613 	struct drm_device *dev = encoder->dev;
1614 	struct amdgpu_device *adev = dev->dev_private;
1615 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1616 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1617 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1618 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1619 	struct hdmi_avi_infoframe frame;
1620 	ssize_t err;
1621 	u32 tmp;
1622 	int bpc = 8;
1623 
1624 	if (!dig || !dig->afmt)
1625 		return;
1626 
1627 	/* Silent, r600_hdmi_enable will raise WARN for us */
1628 	if (!dig->afmt->enabled)
1629 		return;
1630 
1631 	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1632 	if (encoder->crtc) {
1633 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1634 		bpc = amdgpu_crtc->bpc;
1635 	}
1636 
1637 	/* disable audio prior to setting up hw */
1638 	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1639 	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1640 
1641 	dce_v11_0_audio_set_dto(encoder, mode->clock);
1642 
1643 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1644 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1645 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1646 
1647 	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1648 
1649 	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1650 	switch (bpc) {
1651 	case 0:
1652 	case 6:
1653 	case 8:
1654 	case 16:
1655 	default:
1656 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1657 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1658 		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1659 			  connector->name, bpc);
1660 		break;
1661 	case 10:
1662 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1663 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1664 		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1665 			  connector->name);
1666 		break;
1667 	case 12:
1668 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1670 		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1671 			  connector->name);
1672 		break;
1673 	}
1674 	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1675 
1676 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1677 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1678 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1679 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1680 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1681 
1682 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1683 	/* enable audio info frames (frames won't be set until audio is enabled) */
1684 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1685 	/* required for audio info values to be updated */
1686 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1687 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1688 
1689 	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1690 	/* required for audio info values to be updated */
1691 	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1692 	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1693 
1694 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1695 	/* anything other than 0 */
1696 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1697 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1698 
1699 	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1700 
1701 	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1702 	/* set the default audio delay */
1703 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1704 	/* should be suffient for all audio modes and small enough for all hblanks */
1705 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1706 	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1707 
1708 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1709 	/* allow 60958 channel status fields to be updated */
1710 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1711 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1712 
1713 	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1714 	if (bpc > 8)
1715 		/* clear SW CTS value */
1716 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1717 	else
1718 		/* select SW CTS value */
1719 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1720 	/* allow hw to sent ACR packets when required */
1721 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1722 	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1723 
1724 	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1725 
1726 	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1727 	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1728 	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1729 
1730 	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1731 	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1732 	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1733 
1734 	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1735 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1736 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1737 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1738 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1739 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1740 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1741 	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1742 
1743 	dce_v11_0_audio_write_speaker_allocation(encoder);
1744 
1745 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1746 	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1747 
1748 	dce_v11_0_afmt_audio_select_pin(encoder);
1749 	dce_v11_0_audio_write_sad_regs(encoder);
1750 	dce_v11_0_audio_write_latency_fields(encoder, mode);
1751 
1752 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1753 	if (err < 0) {
1754 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1755 		return;
1756 	}
1757 
1758 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1759 	if (err < 0) {
1760 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1761 		return;
1762 	}
1763 
1764 	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1765 
1766 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1767 	/* enable AVI info frames */
1768 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1769 	/* required for audio info values to be updated */
1770 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1771 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1772 
1773 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1774 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1775 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1776 
1777 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1778 	/* send audio packets */
1779 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1780 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1781 
1782 	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1783 	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1784 	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1785 	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1786 
1787 	/* enable audio after to setting up hw */
1788 	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1789 }
1790 
1791 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1792 {
1793 	struct drm_device *dev = encoder->dev;
1794 	struct amdgpu_device *adev = dev->dev_private;
1795 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1796 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1797 
1798 	if (!dig || !dig->afmt)
1799 		return;
1800 
1801 	/* Silent, r600_hdmi_enable will raise WARN for us */
1802 	if (enable && dig->afmt->enabled)
1803 		return;
1804 	if (!enable && !dig->afmt->enabled)
1805 		return;
1806 
1807 	if (!enable && dig->afmt->pin) {
1808 		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1809 		dig->afmt->pin = NULL;
1810 	}
1811 
1812 	dig->afmt->enabled = enable;
1813 
1814 	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1815 		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1816 }
1817 
1818 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1819 {
1820 	int i;
1821 
1822 	for (i = 0; i < adev->mode_info.num_dig; i++)
1823 		adev->mode_info.afmt[i] = NULL;
1824 
1825 	/* DCE11 has audio blocks tied to DIG encoders */
1826 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1827 		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1828 		if (adev->mode_info.afmt[i]) {
1829 			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1830 			adev->mode_info.afmt[i]->id = i;
1831 		} else {
1832 			int j;
1833 			for (j = 0; j < i; j++) {
1834 				kfree(adev->mode_info.afmt[j]);
1835 				adev->mode_info.afmt[j] = NULL;
1836 			}
1837 			return -ENOMEM;
1838 		}
1839 	}
1840 	return 0;
1841 }
1842 
1843 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1844 {
1845 	int i;
1846 
1847 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1848 		kfree(adev->mode_info.afmt[i]);
1849 		adev->mode_info.afmt[i] = NULL;
1850 	}
1851 }
1852 
1853 static const u32 vga_control_regs[6] =
1854 {
1855 	mmD1VGA_CONTROL,
1856 	mmD2VGA_CONTROL,
1857 	mmD3VGA_CONTROL,
1858 	mmD4VGA_CONTROL,
1859 	mmD5VGA_CONTROL,
1860 	mmD6VGA_CONTROL,
1861 };
1862 
1863 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1864 {
1865 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1866 	struct drm_device *dev = crtc->dev;
1867 	struct amdgpu_device *adev = dev->dev_private;
1868 	u32 vga_control;
1869 
1870 	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1871 	if (enable)
1872 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1873 	else
1874 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1875 }
1876 
1877 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1878 {
1879 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1880 	struct drm_device *dev = crtc->dev;
1881 	struct amdgpu_device *adev = dev->dev_private;
1882 
1883 	if (enable)
1884 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1885 	else
1886 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1887 }
1888 
1889 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1890 				     struct drm_framebuffer *fb,
1891 				     int x, int y, int atomic)
1892 {
1893 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1894 	struct drm_device *dev = crtc->dev;
1895 	struct amdgpu_device *adev = dev->dev_private;
1896 	struct drm_framebuffer *target_fb;
1897 	struct drm_gem_object *obj;
1898 	struct amdgpu_bo *abo;
1899 	uint64_t fb_location, tiling_flags;
1900 	uint32_t fb_format, fb_pitch_pixels;
1901 	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1902 	u32 pipe_config;
1903 	u32 tmp, viewport_w, viewport_h;
1904 	int r;
1905 	bool bypass_lut = false;
1906 	struct drm_format_name_buf format_name;
1907 
1908 	/* no fb bound */
1909 	if (!atomic && !crtc->primary->fb) {
1910 		DRM_DEBUG_KMS("No FB bound\n");
1911 		return 0;
1912 	}
1913 
1914 	if (atomic)
1915 		target_fb = fb;
1916 	else
1917 		target_fb = crtc->primary->fb;
1918 
1919 	/* If atomic, assume fb object is pinned & idle & fenced and
1920 	 * just update base pointers
1921 	 */
1922 	obj = target_fb->obj[0];
1923 	abo = gem_to_amdgpu_bo(obj);
1924 	r = amdgpu_bo_reserve(abo, false);
1925 	if (unlikely(r != 0))
1926 		return r;
1927 
1928 	if (!atomic) {
1929 		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1930 		if (unlikely(r != 0)) {
1931 			amdgpu_bo_unreserve(abo);
1932 			return -EINVAL;
1933 		}
1934 	}
1935 	fb_location = amdgpu_bo_gpu_offset(abo);
1936 
1937 	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1938 	amdgpu_bo_unreserve(abo);
1939 
1940 	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1941 
1942 	switch (target_fb->format->format) {
1943 	case DRM_FORMAT_C8:
1944 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1945 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1946 		break;
1947 	case DRM_FORMAT_XRGB4444:
1948 	case DRM_FORMAT_ARGB4444:
1949 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1951 #ifdef __BIG_ENDIAN
1952 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953 					ENDIAN_8IN16);
1954 #endif
1955 		break;
1956 	case DRM_FORMAT_XRGB1555:
1957 	case DRM_FORMAT_ARGB1555:
1958 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1959 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960 #ifdef __BIG_ENDIAN
1961 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962 					ENDIAN_8IN16);
1963 #endif
1964 		break;
1965 	case DRM_FORMAT_BGRX5551:
1966 	case DRM_FORMAT_BGRA5551:
1967 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1968 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1969 #ifdef __BIG_ENDIAN
1970 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971 					ENDIAN_8IN16);
1972 #endif
1973 		break;
1974 	case DRM_FORMAT_RGB565:
1975 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1976 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1977 #ifdef __BIG_ENDIAN
1978 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979 					ENDIAN_8IN16);
1980 #endif
1981 		break;
1982 	case DRM_FORMAT_XRGB8888:
1983 	case DRM_FORMAT_ARGB8888:
1984 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1985 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1986 #ifdef __BIG_ENDIAN
1987 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1988 					ENDIAN_8IN32);
1989 #endif
1990 		break;
1991 	case DRM_FORMAT_XRGB2101010:
1992 	case DRM_FORMAT_ARGB2101010:
1993 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1994 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1995 #ifdef __BIG_ENDIAN
1996 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1997 					ENDIAN_8IN32);
1998 #endif
1999 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2000 		bypass_lut = true;
2001 		break;
2002 	case DRM_FORMAT_BGRX1010102:
2003 	case DRM_FORMAT_BGRA1010102:
2004 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2005 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2006 #ifdef __BIG_ENDIAN
2007 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2008 					ENDIAN_8IN32);
2009 #endif
2010 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2011 		bypass_lut = true;
2012 		break;
2013 	case DRM_FORMAT_XBGR8888:
2014 	case DRM_FORMAT_ABGR8888:
2015 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2016 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2017 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2018 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2019 #ifdef __BIG_ENDIAN
2020 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2021 					ENDIAN_8IN32);
2022 #endif
2023 		break;
2024 	default:
2025 		DRM_ERROR("Unsupported screen format %s\n",
2026 		          drm_get_format_name(target_fb->format->format, &format_name));
2027 		return -EINVAL;
2028 	}
2029 
2030 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2031 		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2032 
2033 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2034 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2035 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2036 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2037 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2038 
2039 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2040 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2041 					  ARRAY_2D_TILED_THIN1);
2042 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2043 					  tile_split);
2044 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2045 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2046 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2047 					  mtaspect);
2048 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2049 					  ADDR_SURF_MICRO_TILING_DISPLAY);
2050 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2051 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2052 					  ARRAY_1D_TILED_THIN1);
2053 	}
2054 
2055 	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2056 				  pipe_config);
2057 
2058 	dce_v11_0_vga_enable(crtc, false);
2059 
2060 	/* Make sure surface address is updated at vertical blank rather than
2061 	 * horizontal blank
2062 	 */
2063 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2064 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2065 			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2066 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2067 
2068 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2069 	       upper_32_bits(fb_location));
2070 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2071 	       upper_32_bits(fb_location));
2072 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2073 	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2074 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2075 	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2076 	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2077 	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2078 
2079 	/*
2080 	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2081 	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2082 	 * retain the full precision throughout the pipeline.
2083 	 */
2084 	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2085 	if (bypass_lut)
2086 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2087 	else
2088 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2089 	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2090 
2091 	if (bypass_lut)
2092 		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2093 
2094 	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2095 	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2096 	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2097 	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2098 	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2099 	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2100 
2101 	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2102 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2103 
2104 	dce_v11_0_grph_enable(crtc, true);
2105 
2106 	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2107 	       target_fb->height);
2108 
2109 	x &= ~3;
2110 	y &= ~1;
2111 	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2112 	       (x << 16) | y);
2113 	viewport_w = crtc->mode.hdisplay;
2114 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2115 	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2116 	       (viewport_w << 16) | viewport_h);
2117 
2118 	/* set pageflip to happen anywhere in vblank interval */
2119 	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2120 
2121 	if (!atomic && fb && fb != crtc->primary->fb) {
2122 		abo = gem_to_amdgpu_bo(fb->obj[0]);
2123 		r = amdgpu_bo_reserve(abo, true);
2124 		if (unlikely(r != 0))
2125 			return r;
2126 		amdgpu_bo_unpin(abo);
2127 		amdgpu_bo_unreserve(abo);
2128 	}
2129 
2130 	/* Bytes per pixel may have changed */
2131 	dce_v11_0_bandwidth_update(adev);
2132 
2133 	return 0;
2134 }
2135 
2136 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2137 				     struct drm_display_mode *mode)
2138 {
2139 	struct drm_device *dev = crtc->dev;
2140 	struct amdgpu_device *adev = dev->dev_private;
2141 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2142 	u32 tmp;
2143 
2144 	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2145 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2146 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2147 	else
2148 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2149 	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2150 }
2151 
2152 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2153 {
2154 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2155 	struct drm_device *dev = crtc->dev;
2156 	struct amdgpu_device *adev = dev->dev_private;
2157 	u16 *r, *g, *b;
2158 	int i;
2159 	u32 tmp;
2160 
2161 	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2162 
2163 	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2164 	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2165 	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2166 
2167 	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2168 	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2169 	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170 
2171 	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172 	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2173 	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174 
2175 	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2176 
2177 	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2178 	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2179 	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2180 
2181 	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2182 	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2183 	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2184 
2185 	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2186 	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2187 
2188 	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2189 	r = crtc->gamma_store;
2190 	g = r + crtc->gamma_size;
2191 	b = g + crtc->gamma_size;
2192 	for (i = 0; i < 256; i++) {
2193 		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2194 		       ((*r++ & 0xffc0) << 14) |
2195 		       ((*g++ & 0xffc0) << 4) |
2196 		       (*b++ >> 6));
2197 	}
2198 
2199 	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2200 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2201 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2202 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2203 	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2204 
2205 	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2206 	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2207 	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2208 
2209 	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2210 	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2211 	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2212 
2213 	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2214 	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2215 	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2216 
2217 	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2218 	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2219 	/* XXX this only needs to be programmed once per crtc at startup,
2220 	 * not sure where the best place for it is
2221 	 */
2222 	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2223 	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2224 	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2225 }
2226 
2227 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2228 {
2229 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2230 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2231 
2232 	switch (amdgpu_encoder->encoder_id) {
2233 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2234 		if (dig->linkb)
2235 			return 1;
2236 		else
2237 			return 0;
2238 		break;
2239 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2240 		if (dig->linkb)
2241 			return 3;
2242 		else
2243 			return 2;
2244 		break;
2245 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2246 		if (dig->linkb)
2247 			return 5;
2248 		else
2249 			return 4;
2250 		break;
2251 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2252 		return 6;
2253 		break;
2254 	default:
2255 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2256 		return 0;
2257 	}
2258 }
2259 
2260 /**
2261  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2262  *
2263  * @crtc: drm crtc
2264  *
2265  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2266  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2267  * monitors a dedicated PPLL must be used.  If a particular board has
2268  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2269  * as there is no need to program the PLL itself.  If we are not able to
2270  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2271  * avoid messing up an existing monitor.
2272  *
2273  * Asic specific PLL information
2274  *
2275  * DCE 10.x
2276  * Tonga
2277  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2278  * CI
2279  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2280  *
2281  */
2282 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2283 {
2284 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2285 	struct drm_device *dev = crtc->dev;
2286 	struct amdgpu_device *adev = dev->dev_private;
2287 	u32 pll_in_use;
2288 	int pll;
2289 
2290 	if ((adev->asic_type == CHIP_POLARIS10) ||
2291 	    (adev->asic_type == CHIP_POLARIS11) ||
2292 	    (adev->asic_type == CHIP_POLARIS12) ||
2293 	    (adev->asic_type == CHIP_VEGAM)) {
2294 		struct amdgpu_encoder *amdgpu_encoder =
2295 			to_amdgpu_encoder(amdgpu_crtc->encoder);
2296 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2297 
2298 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2299 			return ATOM_DP_DTO;
2300 
2301 		switch (amdgpu_encoder->encoder_id) {
2302 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2303 			if (dig->linkb)
2304 				return ATOM_COMBOPHY_PLL1;
2305 			else
2306 				return ATOM_COMBOPHY_PLL0;
2307 			break;
2308 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309 			if (dig->linkb)
2310 				return ATOM_COMBOPHY_PLL3;
2311 			else
2312 				return ATOM_COMBOPHY_PLL2;
2313 			break;
2314 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315 			if (dig->linkb)
2316 				return ATOM_COMBOPHY_PLL5;
2317 			else
2318 				return ATOM_COMBOPHY_PLL4;
2319 			break;
2320 		default:
2321 			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2322 			return ATOM_PPLL_INVALID;
2323 		}
2324 	}
2325 
2326 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2327 		if (adev->clock.dp_extclk)
2328 			/* skip PPLL programming if using ext clock */
2329 			return ATOM_PPLL_INVALID;
2330 		else {
2331 			/* use the same PPLL for all DP monitors */
2332 			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2333 			if (pll != ATOM_PPLL_INVALID)
2334 				return pll;
2335 		}
2336 	} else {
2337 		/* use the same PPLL for all monitors with the same clock */
2338 		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2339 		if (pll != ATOM_PPLL_INVALID)
2340 			return pll;
2341 	}
2342 
2343 	/* XXX need to determine what plls are available on each DCE11 part */
2344 	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2345 	if (adev->flags & AMD_IS_APU) {
2346 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2347 			return ATOM_PPLL1;
2348 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2349 			return ATOM_PPLL0;
2350 		DRM_ERROR("unable to allocate a PPLL\n");
2351 		return ATOM_PPLL_INVALID;
2352 	} else {
2353 		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2354 			return ATOM_PPLL2;
2355 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2356 			return ATOM_PPLL1;
2357 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2358 			return ATOM_PPLL0;
2359 		DRM_ERROR("unable to allocate a PPLL\n");
2360 		return ATOM_PPLL_INVALID;
2361 	}
2362 	return ATOM_PPLL_INVALID;
2363 }
2364 
2365 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2366 {
2367 	struct amdgpu_device *adev = crtc->dev->dev_private;
2368 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369 	uint32_t cur_lock;
2370 
2371 	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2372 	if (lock)
2373 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2374 	else
2375 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2376 	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2377 }
2378 
2379 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2380 {
2381 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2382 	struct amdgpu_device *adev = crtc->dev->dev_private;
2383 	u32 tmp;
2384 
2385 	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2386 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2387 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2388 }
2389 
2390 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2391 {
2392 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2393 	struct amdgpu_device *adev = crtc->dev->dev_private;
2394 	u32 tmp;
2395 
2396 	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2397 	       upper_32_bits(amdgpu_crtc->cursor_addr));
2398 	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2399 	       lower_32_bits(amdgpu_crtc->cursor_addr));
2400 
2401 	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2402 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2403 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2404 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2405 }
2406 
2407 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2408 					int x, int y)
2409 {
2410 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2411 	struct amdgpu_device *adev = crtc->dev->dev_private;
2412 	int xorigin = 0, yorigin = 0;
2413 
2414 	amdgpu_crtc->cursor_x = x;
2415 	amdgpu_crtc->cursor_y = y;
2416 
2417 	/* avivo cursor are offset into the total surface */
2418 	x += crtc->x;
2419 	y += crtc->y;
2420 	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2421 
2422 	if (x < 0) {
2423 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2424 		x = 0;
2425 	}
2426 	if (y < 0) {
2427 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2428 		y = 0;
2429 	}
2430 
2431 	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2432 	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2433 	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2434 	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2435 
2436 	return 0;
2437 }
2438 
2439 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2440 				      int x, int y)
2441 {
2442 	int ret;
2443 
2444 	dce_v11_0_lock_cursor(crtc, true);
2445 	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2446 	dce_v11_0_lock_cursor(crtc, false);
2447 
2448 	return ret;
2449 }
2450 
2451 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2452 				      struct drm_file *file_priv,
2453 				      uint32_t handle,
2454 				      uint32_t width,
2455 				      uint32_t height,
2456 				      int32_t hot_x,
2457 				      int32_t hot_y)
2458 {
2459 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2460 	struct drm_gem_object *obj;
2461 	struct amdgpu_bo *aobj;
2462 	int ret;
2463 
2464 	if (!handle) {
2465 		/* turn off cursor */
2466 		dce_v11_0_hide_cursor(crtc);
2467 		obj = NULL;
2468 		goto unpin;
2469 	}
2470 
2471 	if ((width > amdgpu_crtc->max_cursor_width) ||
2472 	    (height > amdgpu_crtc->max_cursor_height)) {
2473 		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2474 		return -EINVAL;
2475 	}
2476 
2477 	obj = drm_gem_object_lookup(file_priv, handle);
2478 	if (!obj) {
2479 		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2480 		return -ENOENT;
2481 	}
2482 
2483 	aobj = gem_to_amdgpu_bo(obj);
2484 	ret = amdgpu_bo_reserve(aobj, false);
2485 	if (ret != 0) {
2486 		drm_gem_object_put(obj);
2487 		return ret;
2488 	}
2489 
2490 	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491 	amdgpu_bo_unreserve(aobj);
2492 	if (ret) {
2493 		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494 		drm_gem_object_put(obj);
2495 		return ret;
2496 	}
2497 	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2498 
2499 	dce_v11_0_lock_cursor(crtc, true);
2500 
2501 	if (width != amdgpu_crtc->cursor_width ||
2502 	    height != amdgpu_crtc->cursor_height ||
2503 	    hot_x != amdgpu_crtc->cursor_hot_x ||
2504 	    hot_y != amdgpu_crtc->cursor_hot_y) {
2505 		int x, y;
2506 
2507 		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508 		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2509 
2510 		dce_v11_0_cursor_move_locked(crtc, x, y);
2511 
2512 		amdgpu_crtc->cursor_width = width;
2513 		amdgpu_crtc->cursor_height = height;
2514 		amdgpu_crtc->cursor_hot_x = hot_x;
2515 		amdgpu_crtc->cursor_hot_y = hot_y;
2516 	}
2517 
2518 	dce_v11_0_show_cursor(crtc);
2519 	dce_v11_0_lock_cursor(crtc, false);
2520 
2521 unpin:
2522 	if (amdgpu_crtc->cursor_bo) {
2523 		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524 		ret = amdgpu_bo_reserve(aobj, true);
2525 		if (likely(ret == 0)) {
2526 			amdgpu_bo_unpin(aobj);
2527 			amdgpu_bo_unreserve(aobj);
2528 		}
2529 		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2530 	}
2531 
2532 	amdgpu_crtc->cursor_bo = obj;
2533 	return 0;
2534 }
2535 
2536 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2537 {
2538 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2539 
2540 	if (amdgpu_crtc->cursor_bo) {
2541 		dce_v11_0_lock_cursor(crtc, true);
2542 
2543 		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544 					     amdgpu_crtc->cursor_y);
2545 
2546 		dce_v11_0_show_cursor(crtc);
2547 
2548 		dce_v11_0_lock_cursor(crtc, false);
2549 	}
2550 }
2551 
2552 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553 				    u16 *blue, uint32_t size,
2554 				    struct drm_modeset_acquire_ctx *ctx)
2555 {
2556 	dce_v11_0_crtc_load_lut(crtc);
2557 
2558 	return 0;
2559 }
2560 
2561 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2562 {
2563 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564 
2565 	drm_crtc_cleanup(crtc);
2566 	kfree(amdgpu_crtc);
2567 }
2568 
2569 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570 	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571 	.cursor_move = dce_v11_0_crtc_cursor_move,
2572 	.gamma_set = dce_v11_0_crtc_gamma_set,
2573 	.set_config = amdgpu_display_crtc_set_config,
2574 	.destroy = dce_v11_0_crtc_destroy,
2575 	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2576 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2577 	.enable_vblank = amdgpu_enable_vblank_kms,
2578 	.disable_vblank = amdgpu_disable_vblank_kms,
2579 	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2580 };
2581 
2582 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2583 {
2584 	struct drm_device *dev = crtc->dev;
2585 	struct amdgpu_device *adev = dev->dev_private;
2586 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2587 	unsigned type;
2588 
2589 	switch (mode) {
2590 	case DRM_MODE_DPMS_ON:
2591 		amdgpu_crtc->enabled = true;
2592 		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2593 		dce_v11_0_vga_enable(crtc, true);
2594 		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2595 		dce_v11_0_vga_enable(crtc, false);
2596 		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2597 		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2598 						amdgpu_crtc->crtc_id);
2599 		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2600 		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2601 		drm_crtc_vblank_on(crtc);
2602 		dce_v11_0_crtc_load_lut(crtc);
2603 		break;
2604 	case DRM_MODE_DPMS_STANDBY:
2605 	case DRM_MODE_DPMS_SUSPEND:
2606 	case DRM_MODE_DPMS_OFF:
2607 		drm_crtc_vblank_off(crtc);
2608 		if (amdgpu_crtc->enabled) {
2609 			dce_v11_0_vga_enable(crtc, true);
2610 			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2611 			dce_v11_0_vga_enable(crtc, false);
2612 		}
2613 		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2614 		amdgpu_crtc->enabled = false;
2615 		break;
2616 	}
2617 	/* adjust pm to dpms */
2618 	amdgpu_pm_compute_clocks(adev);
2619 }
2620 
2621 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2622 {
2623 	/* disable crtc pair power gating before programming */
2624 	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2625 	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2626 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2627 }
2628 
2629 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2630 {
2631 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2632 	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2633 }
2634 
2635 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2636 {
2637 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2638 	struct drm_device *dev = crtc->dev;
2639 	struct amdgpu_device *adev = dev->dev_private;
2640 	struct amdgpu_atom_ss ss;
2641 	int i;
2642 
2643 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2644 	if (crtc->primary->fb) {
2645 		int r;
2646 		struct amdgpu_bo *abo;
2647 
2648 		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2649 		r = amdgpu_bo_reserve(abo, true);
2650 		if (unlikely(r))
2651 			DRM_ERROR("failed to reserve abo before unpin\n");
2652 		else {
2653 			amdgpu_bo_unpin(abo);
2654 			amdgpu_bo_unreserve(abo);
2655 		}
2656 	}
2657 	/* disable the GRPH */
2658 	dce_v11_0_grph_enable(crtc, false);
2659 
2660 	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2661 
2662 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2663 		if (adev->mode_info.crtcs[i] &&
2664 		    adev->mode_info.crtcs[i]->enabled &&
2665 		    i != amdgpu_crtc->crtc_id &&
2666 		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2667 			/* one other crtc is using this pll don't turn
2668 			 * off the pll
2669 			 */
2670 			goto done;
2671 		}
2672 	}
2673 
2674 	switch (amdgpu_crtc->pll_id) {
2675 	case ATOM_PPLL0:
2676 	case ATOM_PPLL1:
2677 	case ATOM_PPLL2:
2678 		/* disable the ppll */
2679 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2680 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2681 		break;
2682 	case ATOM_COMBOPHY_PLL0:
2683 	case ATOM_COMBOPHY_PLL1:
2684 	case ATOM_COMBOPHY_PLL2:
2685 	case ATOM_COMBOPHY_PLL3:
2686 	case ATOM_COMBOPHY_PLL4:
2687 	case ATOM_COMBOPHY_PLL5:
2688 		/* disable the ppll */
2689 		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2690 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2691 		break;
2692 	default:
2693 		break;
2694 	}
2695 done:
2696 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2697 	amdgpu_crtc->adjusted_clock = 0;
2698 	amdgpu_crtc->encoder = NULL;
2699 	amdgpu_crtc->connector = NULL;
2700 }
2701 
2702 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2703 				  struct drm_display_mode *mode,
2704 				  struct drm_display_mode *adjusted_mode,
2705 				  int x, int y, struct drm_framebuffer *old_fb)
2706 {
2707 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2708 	struct drm_device *dev = crtc->dev;
2709 	struct amdgpu_device *adev = dev->dev_private;
2710 
2711 	if (!amdgpu_crtc->adjusted_clock)
2712 		return -EINVAL;
2713 
2714 	if ((adev->asic_type == CHIP_POLARIS10) ||
2715 	    (adev->asic_type == CHIP_POLARIS11) ||
2716 	    (adev->asic_type == CHIP_POLARIS12) ||
2717 	    (adev->asic_type == CHIP_VEGAM)) {
2718 		struct amdgpu_encoder *amdgpu_encoder =
2719 			to_amdgpu_encoder(amdgpu_crtc->encoder);
2720 		int encoder_mode =
2721 			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2722 
2723 		/* SetPixelClock calculates the plls and ss values now */
2724 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2725 						 amdgpu_crtc->pll_id,
2726 						 encoder_mode, amdgpu_encoder->encoder_id,
2727 						 adjusted_mode->clock, 0, 0, 0, 0,
2728 						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2729 	} else {
2730 		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2731 	}
2732 	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2733 	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2734 	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2735 	amdgpu_atombios_crtc_scaler_setup(crtc);
2736 	dce_v11_0_cursor_reset(crtc);
2737 	/* update the hw version fpr dpm */
2738 	amdgpu_crtc->hw_mode = *adjusted_mode;
2739 
2740 	return 0;
2741 }
2742 
2743 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2744 				     const struct drm_display_mode *mode,
2745 				     struct drm_display_mode *adjusted_mode)
2746 {
2747 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2748 	struct drm_device *dev = crtc->dev;
2749 	struct drm_encoder *encoder;
2750 
2751 	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2752 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2753 		if (encoder->crtc == crtc) {
2754 			amdgpu_crtc->encoder = encoder;
2755 			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2756 			break;
2757 		}
2758 	}
2759 	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2760 		amdgpu_crtc->encoder = NULL;
2761 		amdgpu_crtc->connector = NULL;
2762 		return false;
2763 	}
2764 	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2765 		return false;
2766 	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2767 		return false;
2768 	/* pick pll */
2769 	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2770 	/* if we can't get a PPLL for a non-DP encoder, fail */
2771 	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2772 	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2773 		return false;
2774 
2775 	return true;
2776 }
2777 
2778 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2779 				  struct drm_framebuffer *old_fb)
2780 {
2781 	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2782 }
2783 
2784 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2785 					 struct drm_framebuffer *fb,
2786 					 int x, int y, enum mode_set_atomic state)
2787 {
2788        return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2789 }
2790 
2791 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2792 	.dpms = dce_v11_0_crtc_dpms,
2793 	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2794 	.mode_set = dce_v11_0_crtc_mode_set,
2795 	.mode_set_base = dce_v11_0_crtc_set_base,
2796 	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2797 	.prepare = dce_v11_0_crtc_prepare,
2798 	.commit = dce_v11_0_crtc_commit,
2799 	.disable = dce_v11_0_crtc_disable,
2800 	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2801 };
2802 
2803 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2804 {
2805 	struct amdgpu_crtc *amdgpu_crtc;
2806 
2807 	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2808 			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2809 	if (amdgpu_crtc == NULL)
2810 		return -ENOMEM;
2811 
2812 	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2813 
2814 	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2815 	amdgpu_crtc->crtc_id = index;
2816 	adev->mode_info.crtcs[index] = amdgpu_crtc;
2817 
2818 	amdgpu_crtc->max_cursor_width = 128;
2819 	amdgpu_crtc->max_cursor_height = 128;
2820 	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2821 	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2822 
2823 	switch (amdgpu_crtc->crtc_id) {
2824 	case 0:
2825 	default:
2826 		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2827 		break;
2828 	case 1:
2829 		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2830 		break;
2831 	case 2:
2832 		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2833 		break;
2834 	case 3:
2835 		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2836 		break;
2837 	case 4:
2838 		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2839 		break;
2840 	case 5:
2841 		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2842 		break;
2843 	}
2844 
2845 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2846 	amdgpu_crtc->adjusted_clock = 0;
2847 	amdgpu_crtc->encoder = NULL;
2848 	amdgpu_crtc->connector = NULL;
2849 	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2850 
2851 	return 0;
2852 }
2853 
2854 static int dce_v11_0_early_init(void *handle)
2855 {
2856 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2857 
2858 	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2859 	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2860 
2861 	dce_v11_0_set_display_funcs(adev);
2862 
2863 	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2864 
2865 	switch (adev->asic_type) {
2866 	case CHIP_CARRIZO:
2867 		adev->mode_info.num_hpd = 6;
2868 		adev->mode_info.num_dig = 9;
2869 		break;
2870 	case CHIP_STONEY:
2871 		adev->mode_info.num_hpd = 6;
2872 		adev->mode_info.num_dig = 9;
2873 		break;
2874 	case CHIP_POLARIS10:
2875 	case CHIP_VEGAM:
2876 		adev->mode_info.num_hpd = 6;
2877 		adev->mode_info.num_dig = 6;
2878 		break;
2879 	case CHIP_POLARIS11:
2880 	case CHIP_POLARIS12:
2881 		adev->mode_info.num_hpd = 5;
2882 		adev->mode_info.num_dig = 5;
2883 		break;
2884 	default:
2885 		/* FIXME: not supported yet */
2886 		return -EINVAL;
2887 	}
2888 
2889 	dce_v11_0_set_irq_funcs(adev);
2890 
2891 	return 0;
2892 }
2893 
2894 static int dce_v11_0_sw_init(void *handle)
2895 {
2896 	int r, i;
2897 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2898 
2899 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2900 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2901 		if (r)
2902 			return r;
2903 	}
2904 
2905 	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2906 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2907 		if (r)
2908 			return r;
2909 	}
2910 
2911 	/* HPD hotplug */
2912 	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2913 	if (r)
2914 		return r;
2915 
2916 	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2917 
2918 	adev->ddev->mode_config.async_page_flip = true;
2919 
2920 	adev->ddev->mode_config.max_width = 16384;
2921 	adev->ddev->mode_config.max_height = 16384;
2922 
2923 	adev->ddev->mode_config.preferred_depth = 24;
2924 	adev->ddev->mode_config.prefer_shadow = 1;
2925 
2926 	adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2927 
2928 	r = amdgpu_display_modeset_create_props(adev);
2929 	if (r)
2930 		return r;
2931 
2932 	adev->ddev->mode_config.max_width = 16384;
2933 	adev->ddev->mode_config.max_height = 16384;
2934 
2935 
2936 	/* allocate crtcs */
2937 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2938 		r = dce_v11_0_crtc_init(adev, i);
2939 		if (r)
2940 			return r;
2941 	}
2942 
2943 	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2944 		amdgpu_display_print_display_setup(adev->ddev);
2945 	else
2946 		return -EINVAL;
2947 
2948 	/* setup afmt */
2949 	r = dce_v11_0_afmt_init(adev);
2950 	if (r)
2951 		return r;
2952 
2953 	r = dce_v11_0_audio_init(adev);
2954 	if (r)
2955 		return r;
2956 
2957 	drm_kms_helper_poll_init(adev->ddev);
2958 
2959 	adev->mode_info.mode_config_initialized = true;
2960 	return 0;
2961 }
2962 
2963 static int dce_v11_0_sw_fini(void *handle)
2964 {
2965 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2966 
2967 	kfree(adev->mode_info.bios_hardcoded_edid);
2968 
2969 	drm_kms_helper_poll_fini(adev->ddev);
2970 
2971 	dce_v11_0_audio_fini(adev);
2972 
2973 	dce_v11_0_afmt_fini(adev);
2974 
2975 	drm_mode_config_cleanup(adev->ddev);
2976 	adev->mode_info.mode_config_initialized = false;
2977 
2978 	return 0;
2979 }
2980 
2981 static int dce_v11_0_hw_init(void *handle)
2982 {
2983 	int i;
2984 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2985 
2986 	dce_v11_0_init_golden_registers(adev);
2987 
2988 	/* disable vga render */
2989 	dce_v11_0_set_vga_render_state(adev, false);
2990 	/* init dig PHYs, disp eng pll */
2991 	amdgpu_atombios_crtc_powergate_init(adev);
2992 	amdgpu_atombios_encoder_init_dig(adev);
2993 	if ((adev->asic_type == CHIP_POLARIS10) ||
2994 	    (adev->asic_type == CHIP_POLARIS11) ||
2995 	    (adev->asic_type == CHIP_POLARIS12) ||
2996 	    (adev->asic_type == CHIP_VEGAM)) {
2997 		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2998 						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2999 		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3000 						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3001 	} else {
3002 		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3003 	}
3004 
3005 	/* initialize hpd */
3006 	dce_v11_0_hpd_init(adev);
3007 
3008 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3009 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3010 	}
3011 
3012 	dce_v11_0_pageflip_interrupt_init(adev);
3013 
3014 	return 0;
3015 }
3016 
3017 static int dce_v11_0_hw_fini(void *handle)
3018 {
3019 	int i;
3020 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3021 
3022 	dce_v11_0_hpd_fini(adev);
3023 
3024 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3025 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3026 	}
3027 
3028 	dce_v11_0_pageflip_interrupt_fini(adev);
3029 
3030 	return 0;
3031 }
3032 
3033 static int dce_v11_0_suspend(void *handle)
3034 {
3035 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3036 
3037 	adev->mode_info.bl_level =
3038 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3039 
3040 	return dce_v11_0_hw_fini(handle);
3041 }
3042 
3043 static int dce_v11_0_resume(void *handle)
3044 {
3045 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3046 	int ret;
3047 
3048 	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3049 							   adev->mode_info.bl_level);
3050 
3051 	ret = dce_v11_0_hw_init(handle);
3052 
3053 	/* turn on the BL */
3054 	if (adev->mode_info.bl_encoder) {
3055 		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3056 								  adev->mode_info.bl_encoder);
3057 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3058 						    bl_level);
3059 	}
3060 
3061 	return ret;
3062 }
3063 
3064 static bool dce_v11_0_is_idle(void *handle)
3065 {
3066 	return true;
3067 }
3068 
3069 static int dce_v11_0_wait_for_idle(void *handle)
3070 {
3071 	return 0;
3072 }
3073 
3074 static int dce_v11_0_soft_reset(void *handle)
3075 {
3076 	u32 srbm_soft_reset = 0, tmp;
3077 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078 
3079 	if (dce_v11_0_is_display_hung(adev))
3080 		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3081 
3082 	if (srbm_soft_reset) {
3083 		tmp = RREG32(mmSRBM_SOFT_RESET);
3084 		tmp |= srbm_soft_reset;
3085 		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3086 		WREG32(mmSRBM_SOFT_RESET, tmp);
3087 		tmp = RREG32(mmSRBM_SOFT_RESET);
3088 
3089 		udelay(50);
3090 
3091 		tmp &= ~srbm_soft_reset;
3092 		WREG32(mmSRBM_SOFT_RESET, tmp);
3093 		tmp = RREG32(mmSRBM_SOFT_RESET);
3094 
3095 		/* Wait a little for things to settle down */
3096 		udelay(50);
3097 	}
3098 	return 0;
3099 }
3100 
3101 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3102 						     int crtc,
3103 						     enum amdgpu_interrupt_state state)
3104 {
3105 	u32 lb_interrupt_mask;
3106 
3107 	if (crtc >= adev->mode_info.num_crtc) {
3108 		DRM_DEBUG("invalid crtc %d\n", crtc);
3109 		return;
3110 	}
3111 
3112 	switch (state) {
3113 	case AMDGPU_IRQ_STATE_DISABLE:
3114 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3115 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3116 						  VBLANK_INTERRUPT_MASK, 0);
3117 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3118 		break;
3119 	case AMDGPU_IRQ_STATE_ENABLE:
3120 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3121 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3122 						  VBLANK_INTERRUPT_MASK, 1);
3123 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3124 		break;
3125 	default:
3126 		break;
3127 	}
3128 }
3129 
3130 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3131 						    int crtc,
3132 						    enum amdgpu_interrupt_state state)
3133 {
3134 	u32 lb_interrupt_mask;
3135 
3136 	if (crtc >= adev->mode_info.num_crtc) {
3137 		DRM_DEBUG("invalid crtc %d\n", crtc);
3138 		return;
3139 	}
3140 
3141 	switch (state) {
3142 	case AMDGPU_IRQ_STATE_DISABLE:
3143 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3144 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3145 						  VLINE_INTERRUPT_MASK, 0);
3146 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3147 		break;
3148 	case AMDGPU_IRQ_STATE_ENABLE:
3149 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3150 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3151 						  VLINE_INTERRUPT_MASK, 1);
3152 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3153 		break;
3154 	default:
3155 		break;
3156 	}
3157 }
3158 
3159 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3160 					struct amdgpu_irq_src *source,
3161 					unsigned hpd,
3162 					enum amdgpu_interrupt_state state)
3163 {
3164 	u32 tmp;
3165 
3166 	if (hpd >= adev->mode_info.num_hpd) {
3167 		DRM_DEBUG("invalid hdp %d\n", hpd);
3168 		return 0;
3169 	}
3170 
3171 	switch (state) {
3172 	case AMDGPU_IRQ_STATE_DISABLE:
3173 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3174 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3175 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3176 		break;
3177 	case AMDGPU_IRQ_STATE_ENABLE:
3178 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3179 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3180 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3181 		break;
3182 	default:
3183 		break;
3184 	}
3185 
3186 	return 0;
3187 }
3188 
3189 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3190 					struct amdgpu_irq_src *source,
3191 					unsigned type,
3192 					enum amdgpu_interrupt_state state)
3193 {
3194 	switch (type) {
3195 	case AMDGPU_CRTC_IRQ_VBLANK1:
3196 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3197 		break;
3198 	case AMDGPU_CRTC_IRQ_VBLANK2:
3199 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3200 		break;
3201 	case AMDGPU_CRTC_IRQ_VBLANK3:
3202 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3203 		break;
3204 	case AMDGPU_CRTC_IRQ_VBLANK4:
3205 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3206 		break;
3207 	case AMDGPU_CRTC_IRQ_VBLANK5:
3208 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3209 		break;
3210 	case AMDGPU_CRTC_IRQ_VBLANK6:
3211 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3212 		break;
3213 	case AMDGPU_CRTC_IRQ_VLINE1:
3214 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3215 		break;
3216 	case AMDGPU_CRTC_IRQ_VLINE2:
3217 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3218 		break;
3219 	case AMDGPU_CRTC_IRQ_VLINE3:
3220 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3221 		break;
3222 	case AMDGPU_CRTC_IRQ_VLINE4:
3223 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3224 		break;
3225 	case AMDGPU_CRTC_IRQ_VLINE5:
3226 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3227 		break;
3228 	 case AMDGPU_CRTC_IRQ_VLINE6:
3229 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3230 		break;
3231 	default:
3232 		break;
3233 	}
3234 	return 0;
3235 }
3236 
3237 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3238 					    struct amdgpu_irq_src *src,
3239 					    unsigned type,
3240 					    enum amdgpu_interrupt_state state)
3241 {
3242 	u32 reg;
3243 
3244 	if (type >= adev->mode_info.num_crtc) {
3245 		DRM_ERROR("invalid pageflip crtc %d\n", type);
3246 		return -EINVAL;
3247 	}
3248 
3249 	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3250 	if (state == AMDGPU_IRQ_STATE_DISABLE)
3251 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3252 		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3253 	else
3254 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3255 		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3256 
3257 	return 0;
3258 }
3259 
3260 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3261 				  struct amdgpu_irq_src *source,
3262 				  struct amdgpu_iv_entry *entry)
3263 {
3264 	unsigned long flags;
3265 	unsigned crtc_id;
3266 	struct amdgpu_crtc *amdgpu_crtc;
3267 	struct amdgpu_flip_work *works;
3268 
3269 	crtc_id = (entry->src_id - 8) >> 1;
3270 	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3271 
3272 	if (crtc_id >= adev->mode_info.num_crtc) {
3273 		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3274 		return -EINVAL;
3275 	}
3276 
3277 	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3278 	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3279 		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3280 		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3281 
3282 	/* IRQ could occur when in initial stage */
3283 	if(amdgpu_crtc == NULL)
3284 		return 0;
3285 
3286 	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3287 	works = amdgpu_crtc->pflip_works;
3288 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3289 		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3290 						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3291 						 amdgpu_crtc->pflip_status,
3292 						 AMDGPU_FLIP_SUBMITTED);
3293 		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3294 		return 0;
3295 	}
3296 
3297 	/* page flip completed. clean up */
3298 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3299 	amdgpu_crtc->pflip_works = NULL;
3300 
3301 	/* wakeup usersapce */
3302 	if(works->event)
3303 		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3304 
3305 	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3306 
3307 	drm_crtc_vblank_put(&amdgpu_crtc->base);
3308 	schedule_work(&works->unpin_work);
3309 
3310 	return 0;
3311 }
3312 
3313 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3314 				  int hpd)
3315 {
3316 	u32 tmp;
3317 
3318 	if (hpd >= adev->mode_info.num_hpd) {
3319 		DRM_DEBUG("invalid hdp %d\n", hpd);
3320 		return;
3321 	}
3322 
3323 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3324 	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3325 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3326 }
3327 
3328 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3329 					  int crtc)
3330 {
3331 	u32 tmp;
3332 
3333 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3334 		DRM_DEBUG("invalid crtc %d\n", crtc);
3335 		return;
3336 	}
3337 
3338 	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3339 	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3340 	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3341 }
3342 
3343 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3344 					 int crtc)
3345 {
3346 	u32 tmp;
3347 
3348 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349 		DRM_DEBUG("invalid crtc %d\n", crtc);
3350 		return;
3351 	}
3352 
3353 	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3354 	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3355 	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3356 }
3357 
3358 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3359 				struct amdgpu_irq_src *source,
3360 				struct amdgpu_iv_entry *entry)
3361 {
3362 	unsigned crtc = entry->src_id - 1;
3363 	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3364 	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3365 								    crtc);
3366 
3367 	switch (entry->src_data[0]) {
3368 	case 0: /* vblank */
3369 		if (disp_int & interrupt_status_offsets[crtc].vblank)
3370 			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3371 		else
3372 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3373 
3374 		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3375 			drm_handle_vblank(adev->ddev, crtc);
3376 		}
3377 		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3378 
3379 		break;
3380 	case 1: /* vline */
3381 		if (disp_int & interrupt_status_offsets[crtc].vline)
3382 			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3383 		else
3384 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3385 
3386 		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3387 
3388 		break;
3389 	default:
3390 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3391 		break;
3392 	}
3393 
3394 	return 0;
3395 }
3396 
3397 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3398 			     struct amdgpu_irq_src *source,
3399 			     struct amdgpu_iv_entry *entry)
3400 {
3401 	uint32_t disp_int, mask;
3402 	unsigned hpd;
3403 
3404 	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3405 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406 		return 0;
3407 	}
3408 
3409 	hpd = entry->src_data[0];
3410 	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3411 	mask = interrupt_status_offsets[hpd].hpd;
3412 
3413 	if (disp_int & mask) {
3414 		dce_v11_0_hpd_int_ack(adev, hpd);
3415 		schedule_work(&adev->hotplug_work);
3416 		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3417 	}
3418 
3419 	return 0;
3420 }
3421 
3422 static int dce_v11_0_set_clockgating_state(void *handle,
3423 					  enum amd_clockgating_state state)
3424 {
3425 	return 0;
3426 }
3427 
3428 static int dce_v11_0_set_powergating_state(void *handle,
3429 					  enum amd_powergating_state state)
3430 {
3431 	return 0;
3432 }
3433 
3434 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3435 	.name = "dce_v11_0",
3436 	.early_init = dce_v11_0_early_init,
3437 	.late_init = NULL,
3438 	.sw_init = dce_v11_0_sw_init,
3439 	.sw_fini = dce_v11_0_sw_fini,
3440 	.hw_init = dce_v11_0_hw_init,
3441 	.hw_fini = dce_v11_0_hw_fini,
3442 	.suspend = dce_v11_0_suspend,
3443 	.resume = dce_v11_0_resume,
3444 	.is_idle = dce_v11_0_is_idle,
3445 	.wait_for_idle = dce_v11_0_wait_for_idle,
3446 	.soft_reset = dce_v11_0_soft_reset,
3447 	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3448 	.set_powergating_state = dce_v11_0_set_powergating_state,
3449 };
3450 
3451 static void
3452 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3453 			  struct drm_display_mode *mode,
3454 			  struct drm_display_mode *adjusted_mode)
3455 {
3456 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3457 
3458 	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3459 
3460 	/* need to call this here rather than in prepare() since we need some crtc info */
3461 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3462 
3463 	/* set scaler clears this on some chips */
3464 	dce_v11_0_set_interleave(encoder->crtc, mode);
3465 
3466 	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3467 		dce_v11_0_afmt_enable(encoder, true);
3468 		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3469 	}
3470 }
3471 
3472 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3473 {
3474 	struct amdgpu_device *adev = encoder->dev->dev_private;
3475 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3476 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3477 
3478 	if ((amdgpu_encoder->active_device &
3479 	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3480 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3481 	     ENCODER_OBJECT_ID_NONE)) {
3482 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3483 		if (dig) {
3484 			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3485 			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3486 				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3487 		}
3488 	}
3489 
3490 	amdgpu_atombios_scratch_regs_lock(adev, true);
3491 
3492 	if (connector) {
3493 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3494 
3495 		/* select the clock/data port if it uses a router */
3496 		if (amdgpu_connector->router.cd_valid)
3497 			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3498 
3499 		/* turn eDP panel on for mode set */
3500 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3501 			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3502 							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3503 	}
3504 
3505 	/* this is needed for the pll/ss setup to work correctly in some cases */
3506 	amdgpu_atombios_encoder_set_crtc_source(encoder);
3507 	/* set up the FMT blocks */
3508 	dce_v11_0_program_fmt(encoder);
3509 }
3510 
3511 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3512 {
3513 	struct drm_device *dev = encoder->dev;
3514 	struct amdgpu_device *adev = dev->dev_private;
3515 
3516 	/* need to call this here as we need the crtc set up */
3517 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3518 	amdgpu_atombios_scratch_regs_lock(adev, false);
3519 }
3520 
3521 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3522 {
3523 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3524 	struct amdgpu_encoder_atom_dig *dig;
3525 
3526 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527 
3528 	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3529 		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3530 			dce_v11_0_afmt_enable(encoder, false);
3531 		dig = amdgpu_encoder->enc_priv;
3532 		dig->dig_encoder = -1;
3533 	}
3534 	amdgpu_encoder->active_device = 0;
3535 }
3536 
3537 /* these are handled by the primary encoders */
3538 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3539 {
3540 
3541 }
3542 
3543 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3544 {
3545 
3546 }
3547 
3548 static void
3549 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3550 		      struct drm_display_mode *mode,
3551 		      struct drm_display_mode *adjusted_mode)
3552 {
3553 
3554 }
3555 
3556 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3557 {
3558 
3559 }
3560 
3561 static void
3562 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3563 {
3564 
3565 }
3566 
3567 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3568 	.dpms = dce_v11_0_ext_dpms,
3569 	.prepare = dce_v11_0_ext_prepare,
3570 	.mode_set = dce_v11_0_ext_mode_set,
3571 	.commit = dce_v11_0_ext_commit,
3572 	.disable = dce_v11_0_ext_disable,
3573 	/* no detect for TMDS/LVDS yet */
3574 };
3575 
3576 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3577 	.dpms = amdgpu_atombios_encoder_dpms,
3578 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3579 	.prepare = dce_v11_0_encoder_prepare,
3580 	.mode_set = dce_v11_0_encoder_mode_set,
3581 	.commit = dce_v11_0_encoder_commit,
3582 	.disable = dce_v11_0_encoder_disable,
3583 	.detect = amdgpu_atombios_encoder_dig_detect,
3584 };
3585 
3586 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3587 	.dpms = amdgpu_atombios_encoder_dpms,
3588 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3589 	.prepare = dce_v11_0_encoder_prepare,
3590 	.mode_set = dce_v11_0_encoder_mode_set,
3591 	.commit = dce_v11_0_encoder_commit,
3592 	.detect = amdgpu_atombios_encoder_dac_detect,
3593 };
3594 
3595 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3596 {
3597 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3598 	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3599 		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3600 	kfree(amdgpu_encoder->enc_priv);
3601 	drm_encoder_cleanup(encoder);
3602 	kfree(amdgpu_encoder);
3603 }
3604 
3605 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3606 	.destroy = dce_v11_0_encoder_destroy,
3607 };
3608 
3609 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3610 				 uint32_t encoder_enum,
3611 				 uint32_t supported_device,
3612 				 u16 caps)
3613 {
3614 	struct drm_device *dev = adev->ddev;
3615 	struct drm_encoder *encoder;
3616 	struct amdgpu_encoder *amdgpu_encoder;
3617 
3618 	/* see if we already added it */
3619 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3620 		amdgpu_encoder = to_amdgpu_encoder(encoder);
3621 		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3622 			amdgpu_encoder->devices |= supported_device;
3623 			return;
3624 		}
3625 
3626 	}
3627 
3628 	/* add a new one */
3629 	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3630 	if (!amdgpu_encoder)
3631 		return;
3632 
3633 	encoder = &amdgpu_encoder->base;
3634 	switch (adev->mode_info.num_crtc) {
3635 	case 1:
3636 		encoder->possible_crtcs = 0x1;
3637 		break;
3638 	case 2:
3639 	default:
3640 		encoder->possible_crtcs = 0x3;
3641 		break;
3642 	case 3:
3643 		encoder->possible_crtcs = 0x7;
3644 		break;
3645 	case 4:
3646 		encoder->possible_crtcs = 0xf;
3647 		break;
3648 	case 5:
3649 		encoder->possible_crtcs = 0x1f;
3650 		break;
3651 	case 6:
3652 		encoder->possible_crtcs = 0x3f;
3653 		break;
3654 	}
3655 
3656 	amdgpu_encoder->enc_priv = NULL;
3657 
3658 	amdgpu_encoder->encoder_enum = encoder_enum;
3659 	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3660 	amdgpu_encoder->devices = supported_device;
3661 	amdgpu_encoder->rmx_type = RMX_OFF;
3662 	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3663 	amdgpu_encoder->is_ext_encoder = false;
3664 	amdgpu_encoder->caps = caps;
3665 
3666 	switch (amdgpu_encoder->encoder_id) {
3667 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3668 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3669 		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3670 				 DRM_MODE_ENCODER_DAC, NULL);
3671 		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3672 		break;
3673 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3674 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3675 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3676 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3677 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3678 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3679 			amdgpu_encoder->rmx_type = RMX_FULL;
3680 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3681 					 DRM_MODE_ENCODER_LVDS, NULL);
3682 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3683 		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3684 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3685 					 DRM_MODE_ENCODER_DAC, NULL);
3686 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3687 		} else {
3688 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3689 					 DRM_MODE_ENCODER_TMDS, NULL);
3690 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3691 		}
3692 		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3693 		break;
3694 	case ENCODER_OBJECT_ID_SI170B:
3695 	case ENCODER_OBJECT_ID_CH7303:
3696 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3697 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3698 	case ENCODER_OBJECT_ID_TITFP513:
3699 	case ENCODER_OBJECT_ID_VT1623:
3700 	case ENCODER_OBJECT_ID_HDMI_SI1930:
3701 	case ENCODER_OBJECT_ID_TRAVIS:
3702 	case ENCODER_OBJECT_ID_NUTMEG:
3703 		/* these are handled by the primary encoders */
3704 		amdgpu_encoder->is_ext_encoder = true;
3705 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3706 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707 					 DRM_MODE_ENCODER_LVDS, NULL);
3708 		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3709 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3710 					 DRM_MODE_ENCODER_DAC, NULL);
3711 		else
3712 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3713 					 DRM_MODE_ENCODER_TMDS, NULL);
3714 		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3715 		break;
3716 	}
3717 }
3718 
3719 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3720 	.bandwidth_update = &dce_v11_0_bandwidth_update,
3721 	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3722 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3723 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3724 	.hpd_sense = &dce_v11_0_hpd_sense,
3725 	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3726 	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3727 	.page_flip = &dce_v11_0_page_flip,
3728 	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3729 	.add_encoder = &dce_v11_0_encoder_add,
3730 	.add_connector = &amdgpu_connector_add,
3731 };
3732 
3733 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3734 {
3735 	adev->mode_info.funcs = &dce_v11_0_display_funcs;
3736 }
3737 
3738 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3739 	.set = dce_v11_0_set_crtc_irq_state,
3740 	.process = dce_v11_0_crtc_irq,
3741 };
3742 
3743 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3744 	.set = dce_v11_0_set_pageflip_irq_state,
3745 	.process = dce_v11_0_pageflip_irq,
3746 };
3747 
3748 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3749 	.set = dce_v11_0_set_hpd_irq_state,
3750 	.process = dce_v11_0_hpd_irq,
3751 };
3752 
3753 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3754 {
3755 	if (adev->mode_info.num_crtc > 0)
3756 		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3757 	else
3758 		adev->crtc_irq.num_types = 0;
3759 	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3760 
3761 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3762 	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3763 
3764 	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3765 	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3766 }
3767 
3768 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3769 {
3770 	.type = AMD_IP_BLOCK_TYPE_DCE,
3771 	.major = 11,
3772 	.minor = 0,
3773 	.rev = 0,
3774 	.funcs = &dce_v11_0_ip_funcs,
3775 };
3776 
3777 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3778 {
3779 	.type = AMD_IP_BLOCK_TYPE_DCE,
3780 	.major = 11,
3781 	.minor = 2,
3782 	.rev = 0,
3783 	.funcs = &dce_v11_0_ip_funcs,
3784 };
3785